Manish, Mukesh and Sachin are Accountants. Mukesh can file a return in 5 hours and Sachin in 4 hours alone. All three together can do it in 2 hours. In what time (in hrs.) will Manish do the work?

Fire : Burn : : Water : ?

Choose the pair which is related in the same way as the words in the first pair from the given choices. LUNG : MAN :: GILL : ..........

If P713 is divisible by 11, find the value of the smallest natural number P?

The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is nearly